国家/地区 中国（17）
IPC部 C（15） G（2）
IPC大类 C01（15） G01（2）
IPC小类 C01B（15） G01N（2）
IPC C01B032/198（11） C01B032/184（6）
发明人 WU Y（17）
公开年 2021（6） 2022（4） 2023（3） 2020（2）
申请年 2020（9）  2019（4） 
专利权人 SIXTH ELEMENT CHANGZHOU MATERIALS TECHNO（17）

Preparation of single-layer graphene oxide for e.g. microelectronics, involves adding pretreated graphite powder to intercalation agent to obtain suspension, drying, sieving, adding oxidizing agent for intercalation reaction, separating, dispersing filter cake, adding quenching agent and separating.

QU Y, TANG R, YIN S, WU Y, ZHENG Y, YUAN H, ZHU Y

Preparing oxidized graphene by recycling oxidant, involves adding pre-processed graphite powder and intercalating agent, adding oxidant to completely dissolve, and adding hydrogen peroxide to not generate bubbles,carrying out solid-liquid separation to the oxidized graphene suspension,centrifuging.

QU Y, ZHENG Y, TANG R, WU Y, YUAN H, ZHU Y

Removing impurities, used in hydrogen halide reduction-oxidation graphene film, involves using hot water to fumigate or multiple times to act on oxidized graphene film of hydrogen halide reduction, making water molecule enter into interlayer of graphene oxide, extruding halogen element to interlayer.

QU Y, GENG B, ZHANG J, GE M, TANG R, WU Y

Preparing oxidized graphene by recycling acid involves obtaining the waste acid filtrate produced by preparing graphene oxide, then evaporating, concentrating and demineralizing waste acid filtrate to obtain recovered acid.

QU Y, TANG R, JI L, WU Y, YIN S, GUO L

Graphene oxide slurry with high solid content used for preparing amino acid modified graphene oxide film, comprises solvent, graphene oxide and amino acid, and is prepared by adding amino acid into graphene oxide dispersion liquid and then uniformly dispersing.

QU Y, ZHANG J, GENG B, FANG G, TANG R, WU Y

Graphene oxide slurry for graphene oxide film, comprises aromatic compound and graphene oxide.

QU Y, FANG G, KANG L, XU Y, WU Y, TANG R

Graphene oxide slurry of interlayer bonded diamine organic matter, comprises diamine organic compounds that are bonded between graphene oxide layers.

QU Y, GENG B, ZHANG J, WU Y, TANG R, FANG G

Preparation of reduced graphene oxide for preparing graphene thermally conductive film by drying, grinding and sieving graphene oxide raw material, placing in closed heat treatment environment containing air or inert gas, and annealing.

WU Y, FANG G, FAN S, TANG R, QU Y, WANG G

Graphene oxide slurry used for preparing amino acid-modified graphene oxide film and graphene thermally conductive film, comprises a solvent, graphene oxide and an amino acid.

WU Y, TANG R, FANG G, GENG B, ZHANG J, QU Y

Slurry with medium and small diameters useful for preparing graphene oxide film, comprising graphene oxide and water prepared by dispersing graphene oxide in water or crushing medium-sized graphene oxide dispersed in water.

TANG R, WU Y, GE M, ZHANG J, GENG B, QU Y